From: Evaluation of mammographic density patterns: reproducibility and concordance among scales
Percentage of total agreement; Kappa statistics (95% CI) | |||||
---|---|---|---|---|---|
Scale | Wolfe | Tabár | BI-RADS | Boyd | |
Wolfe | % Agreement: | 92.55%* | 90.37% | 75.22% | 75.25% |
Kappa (95% CI): | 0.851 (0.798-0.904)* | 0.804 (0.785-0.823) | 0.485 (0.460-0.510) | 0.485 (0.460-0.511) | |
Tabár | % Agreement: | 90.37% | 90.16%* | 84.46% | 84.49% |
Kappa (95% CI): | 0.804 (0.785-0.823) | 0.800 (0.739-0.861)* | 0.638 (0.612-0.663) | 0.638 (0.612-0.664) | |
BI-RAD | % Agreement: | 75.22% | 84.46% | 93.35% * | 99.97% |
Kappa (95% CI): | 0.485 (0.460-0.510) | 0.638 (0.612-0.663) | 0.815 (0.746-0.885)* | 0.999 (0.998-1.000) | |
Boyd | % Agreement: | 75.25% | 84.49% | 99.97% | 93.62%* |
Kappa (95% CI): | 0.485 (0.460-0.511) | 0.638 (0.612-0.664) | 0.999 (0.998-1.000) | 0.822 (0.754-0.891)* |